Organic electroluminescent device

An organic EL device comprising:

• a substrate made of a transparent material;
• a first electrode unit having a plurality of electrodes formed on the substrate in a predetermined pattern;
• a second electrode unit having a plurality of electrodes arranged in a direction crossing the first electrode unit;
• an electroluminescent layer disposed between the first electrode unit and the second electrode unit and configured to cover at least the first electrode unit and to emit light at the intersection of the first and second electrode units;
• and
• inter-insulators positioned under the electroluminescent layer to cover at least spaces of each of the respective electrodes of the first electrode unit, and configured to define the first electrode unit as a plurality of light emitting areas and to prevent a short-circuit between the first electrode unit and the second electrode unit, each of the inter-insulators having a height greater than the sum of the height of the first electrode unit and the height of the electroluminescent layer.

A method of manufacturing an organic EL device comprising:

• forming a first electrode unit on a transparent substrate in a predetermined pattern;
• forming inter-insulators on the transparent substrate to cover at least spaces of each of the respective electrodes of the first electrode unit, and patterned to define the first electrode unit as a plurality of light emitting areas;
• forming insulating walls positioned on at least one of the top and bottom surfaces of the inter-insulators;
• forming an electroluminescent layer over the first electrode unit, the inter-insulators and the insulating walls;
• and
• forming a second electrode unit arranged in a direction crossing the first electrode unit by closely contacting a deposition mask with the top portion of the each of the insulating walls.

An organic electroluminescent display (EL) device comprising:

• a substrate made of a transparent material;
• a first electrode unit having a plurality of electrodes formed on the substrate in a predetermined pattern;
• a second electrode unit having a plurality of electrodes arranged in a direction crossing the first electrode unit;
• an electroluminescent layer disposed between the first electrode unit and the second electrode unit and configured to cover at least the first electrode unit and to emit light at the intersection of the first and second electrode units;
• insulating walls positioned under the electroluminescent layer to cover at least spaces between each of the respective electrodes of the first electrode unit, and configured to define the first electrode unit as a plurality of light emitting areas and to prevent the short-circuit between the first electrode unit and the second electrode unit;
• and
• inter-insulators positioned on at least one of the top and bottom surfaces of the inter-insulators.

An organic electroluminescent display (EL) device comprising:

• a substrate made of a transparent material;
• a first electrode unit having a plurality of electrodes formed on the substrate in a predetermined pattern;
• a second electrode unit having a plurality of electrodes arranged in a direction parallel with the first electrode unit;
• an electroluminescent layer disposed between the first electrode unit and the second electrode unit and configured to cover at least the first electrode unit and to emit light between the first and second electrode units;
• inter-insulators positioned under the electroluminescent layer to cover at least spaces between each of the respective electrodes of the first electrode unit, and configured to define the first electrode unit as a plurality of light emitting areas and to prevent the short-circuit between the first electrode unit and the second electrode unit;
• and
• insulating walls positioned on at least one of the top and bottom surfaces of the inter-insulators.

An electroluminescent display (EL) device comprising:

• a substrate made of a transparent material;
• a first electrode unit having a plurality of electrodes formed on the substrate in a predetermined pattern;
• a second electrode unit having a plurality of electrodes arranged in a direction crossing the first electrode unit;
• an electroluminescent layer disposed between the first electrode unit and the second electrode unit and configured to cover at least the first electrode unit and to emit light at the intersection of the first and second electrode units;
• inter-insulators positioned under the electroluminescent layer to cover at least spaces between each of the respective electrodes of the first electrode unit, and configured to define the first electrode unit as a plurality of light emitting areas and to prevent the short-circuit between the first electrode unit and the second electrode unit;
• and
• insulating walls positioned on at least one of the top and bottom surfaces of the inter-insulators.

An EL device comprising:

• a substrate made of a transparent material;
• a first electrode unit having a plurality of electrodes formed on the substrate in a predetermined pattern;
• a second electrode unit having a plurality of electrodes arranged in a direction crossing the first electrode unit;
• an electroluminescent layer disposed between the first electrode unit and the second electrode unit and configured to cover at least the first electrode unit and to emit light at the intersection of the first and second electrode units;
• and
• inter-insulators positioned under the electroluminescent layer to cover at least spaces of each of the respective electrodes of the first electrode unit, and configured to define the first electrode unit as a plurality of light emitting areas and to prevent a short-circuit between the first electrode unit and the second electrode unit, each of the inter-insulators having a height greater than the sum of the height of the first electrode unit and the height of the electroluminescent layer.